How do spectra of reflection of sunlight from a planet's surface compare with the spectra produced when this reflected light passes through the planet's atmosphere?
A)The surface produces only emission lines, the atmosphere produces only absorption lines.
B)The surface produces only absorption lines, the atmosphere produces only emission lines.
C)The surface spectra contain broad absorption lines, the atmosphere contains sharp absorption lines.
D)The surface spectra contain sharp absorption lines, the atmosphere contains broad absorption lines.

Question

Quizplus · Accepted Answer

The surface spectra contain broad absorption lines due to the variety of materials and conditions on the surface. The atmosphere, on the other hand, contains sharp absorption lines because the gases in the atmosphere absorb light at very specific wavelengths.

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